The present invention provides compounds represented by general formula (I):
or pharmaceutical acceptable salts thereof, wherein R1 and R2 are each hydrogen, lower acyl, lower alkoxycarbonyl or the like; R3 is lower alkyl, halo-lower alkyl, cycloalkyl, heterocycloalkyl, optionally substituted aryl, optionally substituted heteroaryl or the like; R4 is cyano, lower alkoxycarbonyl, carboxy or the like, which exhibit potent COMT inhibitory activities. The present invention also provides pharmaceutical compositions containing said compound, and uses thereof.
本发明提供通式 (I) 所代表的化合物:
或其药物可接受盐,其中 R1 和 R2 分别为
氢、低级酰基、低级烷
氧基羰基或类似物;R3 为低级烷基、卤代低级烷基、
环烷基、杂
环烷基、任选取代的芳基、任选取代的杂芳基或类似物;R4 为
氰基、低级烷
氧基羰基、羧基或类似物,它们具有强效的 CO
MT 抑制活性。本发明还提供了含有所述化合物的药物组合物及其用途。